Wordlock, High Security Combo Chain PadLock CL-969-BK with Rubber Bumper Discus Lock 48" Long Resettable 4 Dial, Black. Rest assured, your belongings are safe with the world's first and only HIGH SECURITY combination discus lock with Protective Rubber Bumper. With a solid stainless steel, rust resistant body, and deadbolt locking mechanism, this heavy duty padlock provides you with top security for your bike or anywhere you need it. The 70mm Discus lock with Protective Rubber Bumper is paired with a heavy duty 4 foot chain 10mm links that will deter even the most determined thieves.The shielded design resists bolt cutters, so even the sneakiest thief is at his wits end. And rain or shine, the copper plated, solid zinc components prevent corrosion. With dials, you'll never have to worry about losing your key again. With letters, it's easier than ever to remember your combination. Choose your own Resettable Word Combination. The 4 dials make 10,000 possible word or letter combinations so your code is as secure as your possessions. WordLock in a word: secure.